node-immutable vulnerabilities (Ubuntu)

3 vulnerabilities.

• node-immutable Ubuntu Immutable.js `List` 32-bit trie overflow → unrecoverable DoS CVE-2026-59879 Fix available 8.7 HighJuly 8, 2026
• node-immutable Ubuntu Immutable.js: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set CVE-2026-59880 Fix available 8.7 HighJuly 8, 2026
• node-immutable Ubuntu Immutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutable CVE-2026-29063 Fix available 8.7 HighMarch 4, 2026